销售合同问题处理

hx-sale/src/main/java/com/fjhx/sale/entity/contract/po/Contract.java

@@ -313,7 +313,7 @@ public class Contract extends BasePo {
      */
     @TableField(fill = FieldFill.INSERT)
     @Version
-    private String version;
+    private Integer version;
 
     /**
      * 交接单附件列表